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Topic: speedo gear conversion chart  (Read 3848 times)
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DODGEBOYS
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OLD FLORIDA RD/BEACON TRAIL, MA

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yer askin me / thats a mistake because l,ll tellya


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« on: May 15, 2007, 06:31:14 AM »
Jeep Dodge Speedo Pinion Gear Applications
Tire Diameter Axle Gear Ratio
      5.38  5.13 4.88 4.56 4.10 3.91 3.55 3.21
44"  32T  31T   29T  27T         
42"  34T  32T   30T  28T         
40"  35T  34T   32T  30T  27T       
39"  36T  34T   33T  31T  28T       
38"  37T  35T   34T  31T  28T  26T     
37"  38T  36T   35T  32T  29T  26T     
36"  39T  37T   36T  33T  30T  27T     
35"  40T  38T   37T  34T  31T  28T  27T   
33"         41T   39T  36T  33T  30T  28T   
32"                 40T  37T  34T  31T  29T   
31"                 41T  39T   35T  32T 30T  26T
30"                        40T   36T  33T  31T 27T
29"                        41T   37T  35T  32T  28T
28"                                38T   36T  33T 29T

 

Jeep Dodge Speedometer Gear Chart
Short Gears                                   Long Gears
(Use with electronic VSS)   (Use with cable drive speedo)
Dodge PN  Teeth    Color              Dodge PN  Teeth Color
N/A             26                                5206848  26    RED
N/A             27                                5206849  27 WHITE
52067628    28                                 5206850 28   
52067629    29                                 5206851 29 BLACK
52067630    30                                 5206852 30 YELLOW
52067631    31                                 5206853 31 GREEN
52067632    32     BLACK                   Discon 32 BLACK
52067633    33 YELLOW                  5206855 33 YELLOW
52067634    34 GREEN                    5206856 34 GREEN
52067635    35 ORANGE                  5206857 35 ORANGE
52067636    36 RED                          5206858 36 RED
52067637     37                                        N/A 37   
52067638     38 BLUE                              N/A 38   
52067639     39 GREEN                    5206861 39 GREEN
52067640    40 ORANGE                  5206862 40 ORANGE
52067641    41 RED                          2538941 41 RED
52067642    42 WHITE                      2538942 42 WHITE
52067643    43 BLUE                               N/A 43   


THIS CHART HAS NOT BEEN TOTALLY VERIFIDE  100 % / when it is this message will disappear
« Last Edit: May 16, 2007, 11:32:02 AM by DODGEBOYS » Logged
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« Reply #1 on: July 10, 2007, 07:46:51 AM »
Just a few of the part numbers are missing digits and a few were listed as N/A that I was able to find part numbers for.  This info was taken from Figure 21M-2300 from the 90-93 Truck Parts Catalog and checked through Dealer Connect to verify the part number and years of usage so it should be as correct as reasonably possible as far as part number and application.  I'm not going to say that there are no errors, but that it's as correct as I can verify without laying my hands on every single gear.  I have listed the part numbers I know to be cancelled as of 7-10-07at the bottom but left them in the listing for future reference and locating purposes.
 

Jeep Dodge Speedometer Gear Chart
Short Gears                                   Long Gears
(Use with electronic VSS)   (Use with cable drive speedo)
Dodge PN  Teeth    Color              Dodge PN  Teeth Color
N/A             26                                52068148  26    RED
N/A             27                                52068149  27 WHITE
52067628    28                                 52068150 28   BLUE
52067629    29                                 52068151 29 BLACK
52067630    30                                 52068152 30 YELLOW
52067631    31                                 52068153 31 GREEN
52067632    32     BLACK                 52068154 32 BLACK
52067633    33 YELLOW                  52068155 33 YELLOW
52067634    34 GREEN                    52068156 34 GREEN
52067635    35 ORANGE                  52068157 35 ORANGE
52067636    36 RED                          52068158 36 RED
52067637     37                                52068159  37 WHITE   
52067638     38 BLUE                       52068060 38  BLUE 
52067639     39 GREEN                    52068061 39 GREEN
52067640    40 ORANGE                  52068062 40 ORANGE
52067641    41 RED                          2538941 41 RED
52067642    42 WHITE                      2538942 42 WHITE
52067643    43 BLUE                        2538943 43 BLUE  


Cancelled Part Numbers (as of 7-10-07):
52068151, 52068153, 52067367, & 52067642.

Let me know if there are any problems or questions.
« Last Edit: July 10, 2007, 08:15:53 AM by Elwenil » Logged
L.Clemons

1988 Ramcharger-Mil-Spec AW450 Project-318EFI-NP435 4 speed-NP205 Transfer Case-Front & Rear Dana 60s-Braden Wormdrive Front Winch
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WWW
« Reply #2 on: April 6, 2009, 11:14:20 AM »
Looks like someone didn't pay their web hosting bill.

With the right blend of keywords on a google search, I did find some calculators on this site.

http://www.4lo.com/

I used the same basic principle of the ratio of new tire size to old tire size X miles my odometer says I have driven. so 33/31 = 1.06 and a bunch more. Then multiplied that by miles my odometer said I had driven. Does that sound like the correct formula? If correct, getting 11.5 MPG around town. Sound about right for a 1979 360 with an Edelbrock 4BBl on it?
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1979 RC 360 4bbl<br />It\'s coming along now!
DODGEBOYS
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yer askin me / thats a mistake because l,ll tellya


WWW
« Reply #3 on: April 7, 2009, 09:07:08 AM »
well thats funky / the RCC site musta done something wierd to the post / it was not like that when it was posted
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« Reply #4 on: April 7, 2009, 01:48:15 PM »
Here, I fixed it up, and saved it as a PDF file.

Clink on the link below.
* dodgespeedo.pdf (105.05 KB - downloaded 139 times.)
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